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run upwards events through parents before main loop

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Lephenixnoir 2021-05-12 17:04:49 +02:00
parent 350a36908b
commit a3e8606ab5
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GPG key ID: 1BBA026E13FC0495
2 changed files with 19 additions and 6 deletions
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9
include/justui/jscene.h
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@ -87,12 +87,13 @@ void *jscene_focused_widget(jscene *scene);
The selected widget, obviously, must be a descendant of the scene. */
void jscene_set_focused_widget(jscene *scene, void *widget);
/* jscene_process_key(): Send a downwards key event to the focused widget
/* jscene_process_key_event(): Send a key event to the focused widget
Returns true if the event was accepted, false if it was ignored. */
bool jscene_process_key(jscene *scene, key_event_t event);
bool jscene_process_key_event(jscene *scene, key_event_t event);
/* jscene_process_event(): Send a downards GUI event to the focused widget */
// bool jscene_process_event(jscene *scene, jevent event);
/* jscene_process_event(): Bubble an event up from its source
Returns true if the event was accepted along the way, false if ignored. */
bool jscene_process_event(jscene *scene, jevent event);
/* jscene_run(): Run a scene's main loop

16
src/jscene.c
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@ -136,7 +136,6 @@ void jscene_set_focused_widget(jscene *s, void *w0)
if(w) jwidget_event(w, (jevent){ .type = JWIDGET_FOCUS_IN });
}
/* jscene_process_event(): Send an event to the focused widget */
bool jscene_process_key_event(jscene *scene, key_event_t event)
{
jwidget *candidate = scene->focus;
@ -150,6 +149,19 @@ bool jscene_process_key_event(jscene *scene, key_event_t event)
return false;
}
bool jscene_process_event(GUNUSED jscene *scene, jevent event)
{
if(!event.source) return false;
jwidget *candidate = ((jwidget *)event.source)->parent;
while(candidate) {
if(jwidget_event(candidate, event)) return true;
candidate = candidate->parent;
}
return false;
}
/* jscene_run(): Run a scene's main loop */
jevent jscene_run(jscene *s)
{
@ -166,7 +178,7 @@ jevent jscene_run(jscene *s)
/* Queued GUI events */
e = jscene_read_event(s);
if(e.type != JSCENE_NONE) break;
if(e.type != JSCENE_NONE && !jscene_process_event(s, e)) break;
/* Queued keyboard events */
key_event_t k = keydev_read(d);